From 5a2fb0bbdd13fc87e55a048b18aba55e5a532009 Mon Sep 17 00:00:00 2001 From: David Schleef Date: Tue, 22 May 2001 14:29:02 +0000 Subject: First cut of MIPS port --- libc/sysdeps/linux/mips/Makefile | 76 ++++++++++++++++++++++++++++++++++++++++ libc/sysdeps/linux/mips/crt0.c | 46 ++++++++++++++++++++++++ 2 files changed, 122 insertions(+) create mode 100644 libc/sysdeps/linux/mips/Makefile create mode 100644 libc/sysdeps/linux/mips/crt0.c (limited to 'libc/sysdeps/linux/mips') diff --git a/libc/sysdeps/linux/mips/Makefile b/libc/sysdeps/linux/mips/Makefile new file mode 100644 index 000000000..00061de71 --- /dev/null +++ b/libc/sysdeps/linux/mips/Makefile @@ -0,0 +1,76 @@ +# Makefile for uClibc +# +# Copyright (C) 2001 by Lineo, inc. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU Library General Public License as published by the Free +# Software Foundation; either version 2 of the License, or (at your option) any +# later version. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more +# details. +# +# You should have received a copy of the GNU Library General Public License +# along with this program; if not, write to the Free Software Foundation, Inc., +# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# Derived in part from the Linux-8086 C library, the GNU C Library, and several +# other sundry sources. Files within this library are copyright by their +# respective copyright holders. + +USE_CRT0_C=y + +TOPDIR=../../../../ +include $(TOPDIR)Rules.mak +ASFLAGS=$(CFLAGS) + +TARGET_MACHINE_TYPE=$(shell $(CC) -dumpmachine) + +ifeq ($(USE_CRT0_C),y) +CRT0=crt0.c +CRT0_OBJ=$(patsubst %.c,%.o, $(CRT0)) +else +CRT0=crt0.S +CRT0_OBJ=$(patsubst %.S,%.o, $(CRT0)) +endif + +#SSRC=longjmp.S setjmp.S vfork.S +SSRC= +SOBJS=$(patsubst %.S,%.o, $(SSRC)) + +CSRC= +COBJS=$(patsubst %.c,%.o, $(CSRC)) + +OBJS=$(SOBJS) $(MOBJ) $(COBJS) + + +all: $(OBJS) $(LIBC) + +$(LIBC): ar-target + +ar-target: $(OBJS) $(CRT0_OBJ) + $(AR) $(ARFLAGS) $(LIBC) $(OBJS) + cp $(CRT0_OBJ) $(TOPDIR)libc + + +ifeq ($(USE_CRT0_C),y) +$(CRT0_OBJ): %.o : %.c +else +$(CRT0_OBJ): %.o : %.S +endif + $(CC) $(CFLAGS) -c $< -o $@ + $(STRIPTOOL) -x -R .note -R .comment $*.o + +$(SOBJS): %.o : %.S + $(CC) $(CFLAGS) -c $< -o $@ + $(STRIPTOOL) -x -R .note -R .comment $*.o + +$(COBJS): %.o : %.c + $(CC) $(CFLAGS) -c $< -o $@ + $(STRIPTOOL) -x -R .note -R .comment $*.o + +clean: + rm -f *.[oa] *~ core + diff --git a/libc/sysdeps/linux/mips/crt0.c b/libc/sysdeps/linux/mips/crt0.c new file mode 100644 index 000000000..df9304101 --- /dev/null +++ b/libc/sysdeps/linux/mips/crt0.c @@ -0,0 +1,46 @@ +/* + * uC-libc/sysdeps/linux/powerpc/crt0.S + * process init code for powerpc + * + * Copyright (C) 2001 by Lineo, Inc. + * Author: David A. Schleef + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#if 0 +asm( + "\t.global _start\n" + "\t_start:\n" +// "\tstwu 1,-32(1)\n" +// "\tb _start2\n" + ); +#endif + +void __uClibc_main(int argc,void *argv,void *envp); + +void __start(void) +{ + void **p; + int argc; + + p=__builtin_frame_address(2); + + argc=*(int *)p; + + __uClibc_main(argc,p+1,p+2+argc); +} + -- cgit v1.2.3